.virtual-list {
  width: 100%;
  overflow-y: auto;
  position: relative;
  -webkit-overflow-scrolling: touch;
}
.virtual-list * {
  box-sizing: border-box;
}
.scroll-list {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}

.waterfall-list {
  display: flex;
  justify-content: space-between;
}
.left-wrap,
.right-wrap {
  width: 50%;
}
.left-item,
.right-item {
  overflow: hidden;
}
